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The CDL general knowledge test is required to be taken by all CDL applicants. The Missouri CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the Missouri CDL Manual.
All CDL applicants (Class A, B and C) must study the following sections: Driving Safely, Transporting Cargo Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, Road Test. In addition, the Class A CDL test will include questions based on the Combination Vehicles section. Take this CDL practice test now to prepare for the actual MO general knowledge test!
To get your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests include: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, Firefighter. Depending on what class of license (A, B or C) and endorsements you need, you must take one or more knowledge tests. A special endorsement is also required to drive certain types of vehicles. The following endorsements may be used with a Class A, B or C CDL: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X) and Passenger Transport (P). The School Bus endorsement (S) is only available for Class A or B CDL, and the Doubles/Triples endorsement (T) is only available for Class A driver's licenses.
1.
When approaching a stopped bus, you must be aware that:
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passing a stopped bus is illegal.
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a student may be driving the bus.
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passengers may cross in front of or behind the bus.
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2.
When driving at night you should:
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always use low beams.
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use your high beams when it is safe and legal to do so.
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All of the above.
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3.
Driving in very hot weather:
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can increase tire pressure.
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can decrease oil pressure.
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should never be done.
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4.
What should you look for when checking tires?
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Cracked valve stems
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Cuts
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All of the above
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5.
Tire load is defined as:
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the maximum safe weight a tire can carry at a specified pressure.
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the minimum safe weight a tire can carry at a specified pressure.
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the weight transmitted to the ground by 1 tire.
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6.
Fully loaded trucks require greater stopping distances than empty vehicles. True or False?
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False.
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True, but only on wet surfaces.
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True, but only if the truck was built after 1998.
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7.
If you're carrying hazardous materials and are stopped at a truck stop, you should:
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leave the shipping papers in the driver’s door pouch or on the driver’s seat.
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leave the shipping papers on the dashboard in clear view.
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keep the shipping papers with you.
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8.
To determine a safe speed for a downgrade, you should consider:
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The total weight of the vehicle and cargo.
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Trip origin and destination city.
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Oncoming traffic.
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9.
________ is the distance your vehicle will travel, in ideal conditions, while you are braking.
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Reaction distance
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Braking distance
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Perception distance
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10.
When backing a truck you should:
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get out and walk around the vehicle before you begin to back.
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look straight ahead.
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always rely on your mirrors.
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